{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1520439759",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc8f513213e7f2bec5b0d0525cad4ccf84843556362fc33b269fb39d945c095fe",
    "signature": "0x5671877a1bb5a66a2d768c54231bbce6c89a99299443b06a76acc809ca7dd41d732c667a8a01418298c9cd5fd83f3f65bcfd14478415e3cf8b6d355a054b1f1a1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}